Home / 748,846.80-1,123,270.20-465,411.60

Finding the Fourth Proportional to 748,846.80, 1,123,270.20 and 465,411.60

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Solution

The fourth proportional to 748,846.80, 1,123,270.20 and 465,411.60 is: 698,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,846.80 : 1,123,270.20 = 465,411.60 : x
  2. Step 2: Convert to fraction form
    748,846.80/1,123,270.20 = 465,411.60/x
  3. Step 3: Cross multiply
    748,846.80x = 1,123,270.20 × 465,411.60
  4. Step 4: Simplify right side
    748,846.80x = 522,782,981,014.32
  5. Step 5: Solve for x
    x = 522,782,981,014.32/748,846.80
  6. Step 6: Final answer
    x = 698,117.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.